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4 For models with a detachable power cord. Plug the detachable UPS power cord into the input
connector on the UPS rear panel.
5 Plug the UPS power cord into a power outlet.
The UPS front panel display illuminates. The Dell startup screen changes to the UPS status
summary screen. The UPS front panel display shows the flashing Standby icon
6 Press the button on the UPS front panel.
After the startup is complete, the status icon changes to the appropriate icon based on the UPS
operating mode (see Table 4 on page 36).
7 On the UPS status summary screen, press the button to check for active alarms or notices.
Resolve any active alarms before continuing. See “Troubleshooting” on page 66.
If there are no active alarms, a “No Active Alarms” message appears.
8 Verify that the Normal icon appears on the UPS status summary screen, indicating that the
UPS is operating normally and any loads are powered (see Table 4 on page 36).
9 If an optional EBM is installed, see “Configuring the UPS for an EBM” on page 52.
10 To change other factory-set defaults, see “Operation” on page 31.
11 If you installed an optional REPO, test the REPO function:
Activate the external REPO switch. Verify the status change on the UPS display.
Deactivate the external REPO switch and restart the UPS.
Dell recommends setting the date and time.
NOTE: At initial startup, the UPS sets system frequency according to input line frequency (input frequency
auto-sensing is enabled by default). After initial startup, auto-sensing is disabled until manually re-enabled by
output frequency setting.
NOTE: At initial startup, input voltage auto-sensing is enabled by default. After the subsequent startup,
auto-sensing is disabled until manually re-enabled by output voltage setting.
NOTE: The internal batteries charge to 90% capacity in less than 4 hours. However, Dell recommends that the
batteries charge for 48 hours after installation or long-term storage. If an optional EBM is installed, see the
recharge time listed in Table 15 on page 65.